P-5

Ancillary Services Prices, Day Ahead Market

04/27/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.840.840.3650.30.30.365
07:0070.840.58070.840.580
08:0013.634.790.59570.50.595
09:00103.50.55570.50.555
10:009.573.07256.58.52256.5
11:009.573.07256.58.52256.5
12:0022.773.08256.58.52256.5
13:0022.663.080.55070.50.550
14:0021.463.080.55070.50.550
15:009.73.080.55070.50.550
16:009.733.080.55070.50.550
17:009.573.070.55070.50.550
18:009.573.070.55070.50.550
19:009.553.050.55070.50.550
20:0010.843.080.55570.50.555
21:008.673.05256.58.52.88256.5
22:0070.50.55070.50.550
23:000.250.250.25500.250.250.2550